Description

Quartz is a naturally occurring crystalline form of silicon dioxide (SiO₂), renowned for its exceptional hardness, chemical inertness, and high thermal stability. Its unique piezoelectric and optical properties make it a critical industrial material across numerous high-tech sectors. This essential mineral is indispensable for manufacturers in the semiconductor, optics, telecommunications, and construction industries seeking reliable, high-purity raw materials.

Application

• Semiconductor Manufacturing: As a primary material for silicon wafers, crucibles, and process tubes in chip fabrication.
• Optics & Photonics: Used in lenses, prisms, optical fibers, UV-transmitting windows, and laser components due to its clarity and low thermal expansion.
• Precision Instruments: Essential for oscillators, filters, resonators, and sensors in watches, radios, and navigation systems, leveraging its piezoelectric properties.
• Industrial Abrasives: A key component in sandpaper, grinding wheels, blasting media, and polishing compounds.
• Foundry & Metallurgy: Used in molds and cores for metal casting, and as a flux in smelting operations.
• Construction Materials: Incorporated into engineered stone, countertops, concrete, and high-performance mortars for durability.
• Chemical Processing: Serves as a filler, extender, and anti-caking agent in paints, coatings, plastics, and adhesives.
• Water Filtration: Utilized as a filtration medium in water treatment and purification systems.

Basic Information

Product Name	Quartz
CAS No.	14808-60-7
Molecular Formula	SiO₂
Molecular Weight	60.08 g/mol
Synonyms	Silicon Dioxide (crystalline); Silica, crystalline quartz; α-Quartz; Rock Crystal; Low-Quartz; Agate; Amethyst; Citrine; Rose Quartz; Smoky Quartz; Onyx; Jasper; Chalcedony; Flint; Novaculite; Tripoli
EINECS	238-878-4

Quality Control

Our Quartz products are sourced and processed under strict quality management protocols to ensure batch-to-batch consistency and purity. We offer various grades, including high-purity fused quartz for optical and semiconductor applications, and standard industrial grades. Quality is verified through parameters such as SiO₂ content, particle size distribution, and trace metal analysis. Certificates of Analysis (COA) detailing specific lot specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and strong alkalis. Although not highly hygroscopic, prolonged exposure to high humidity should be avoided to prevent potential caking.

Specification

Item	Specification
Appearance	White to colorless crystalline powder/granules
Identification (IR)	Conforms to standard
Assay (SiO₂)	≥ 99.0% - 99.99% (Grade Dependent)
Loss on Drying	≤ 0.5%
Particle Size (D50)	Customizable (e.g., 5 µm, 50 µm, 200 mesh)
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 50 ppm
Aluminum (Al)	≤ 100 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.